condition mean min max 12pM Fe,Midday 28.1556 28.1556 28.1556 12pM Fe,Midnight 29.01205 28.1349 29.8892 58pM Fe,Midday 31.7375 31.7375 31.7375 58pM Fe,Midnight 19.354057142857144 0.0 27.8964 233pM Fe,Midnight 17.813866666666666 16.0097 19.0677 1160pM Fe,Midday 18.210428571428572 16.1944 19.8439 1160pM Fe,Midnight 13.159104166666665 8.19253 17.6896 High carbon,Dark 8.912608 2.00189 18.8124 High carbon,Light 7.912173846153846 1.15308 15.3669 Low carbon,Dark 10.5428 10.5428 10.5428 Phloroglucinol 15.4487 12.6925 18.8488 Silicon starvation,12h 15.8107 15.8107 15.8107